clk: qcom: gcc-sc8280xp: fix runtime PM imbalance on probe errors

Make sure to decrement the runtime PM usage count before returning in
case RCG dynamic frequency switch initialisation fails.

Fixes: 2a541abd ("clk: qcom: gcc-sc8280xp: Add runtime PM")
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230718132902.21430-5-johan+linaro@kernel.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

drivers/clk/qcom/gcc-sc8280xp.c

@@ -7539,8 +7539,8 @@ static int gcc_sc8280xp_probe(struct platform_device *pdev)
 
 	regmap = qcom_cc_map(pdev, &gcc_sc8280xp_desc);
 	if (IS_ERR(regmap)) {
-		pm_runtime_put(&pdev->dev);
-		return PTR_ERR(regmap);
+		ret = PTR_ERR(regmap);
+		goto err_put_rpm;
 	}
 
 	/*
@@ -7561,11 +7561,19 @@ static int gcc_sc8280xp_probe(struct platform_device *pdev)
 
 	ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks, ARRAY_SIZE(gcc_dfs_clocks));
 	if (ret)
-		return ret;
+		goto err_put_rpm;
 
 	ret = qcom_cc_really_probe(pdev, &gcc_sc8280xp_desc, regmap);
+	if (ret)
+		goto err_put_rpm;
+
 	pm_runtime_put(&pdev->dev);
 
+	return 0;
+
+err_put_rpm:
+	pm_runtime_put_sync(&pdev->dev);
+
 	return ret;
 }